Mesona blume (Compendium)

Different names of Xianrencao (Occupational Prescription Code), Xianrendong (Compendium), Xiancao (Illustrated Book of Medicinal Plants in China).

The source is the whole grass of Mesona blume of Labiatae.

Plant morphology Mesona blume annual herb.

The lower part of the stem is prostrate, the upper part is upright, about15 ~ 50 cm long, and the branches are sparsely hairy.

The leaves are oval or ovoid oblong, 2 ~ 4 cm long, slightly blunt at the apex, gradually shrinking into stalks at the base, with small serrations at the edge and sparse hairs on both sides; Leaves inserted in the upper part of inflorescence are small, bract-like, oval to inverted triangle, shorter than flowers, often with lavender at the base, and fall off when bearing fruit.

The raceme is weak, 5 ~10 cm long; Flowers small, whorled, stalk about 3 mm long; Calyx small, bell-shaped, 2-lipped, upper lip 3-lobed, lower lip entire, or tubular when bearing fruit, downward curved, with longitudinal veins and transverse wrinkles; Corolla is reddish, 2.5 mm long, upper lip is wide, whole or toothed, and lower lip is oval and concave; Stamens 4, filaments prominent; Pistil 1, style 2-lobed; The disk swells on one side.

Nutlets are oval.

Flowering in late autumn.

Distributed in southern China.

Collect that aerial parts harvest in summer, and drying in the sun.

Or sun-drying, stacking and stewing to make fermentation black, and sun-drying until it is dry enough.

The herbs are dried and cut into sections about 20 cm long.

The stem is square, with long gray-brown hair, brown or black appearance, grooved, and the young stem is often twisted; Brittle and easily broken, with marrow in the center.

The leaves are opposite, shriveled, papery, slightly flexible, not easily crushed, oblong or oval, and both sides are sparsely hairy.

Flowers are not common.

Slight breath, light and sweet chewing taste, and gelatinous.

Produced in Guangdong.

Sexual taste 1 "Materia Medica Seeking the Original": astringent and sweet, cold.

② Handbook of Common Chinese Herbal Medicines of Guangzhou Army: sweet and light, cool.

Indications-Mesona blume has the functions of clearing away summer heat, quenching thirst and removing toxic heat. It is one of the main ingredients of bean jelly.

Treat heatstroke, thirst, hypertension, muscle and joint pain.

(1) "Seeking the Original Materia Medica": clearing away summer heat, relieving the toxic heat of Tibetan government, and treating the wine wind.

② "Illustration of Medicinal Plants in China": it is a refreshing agent for quenching thirst and removing summer heat.

Decoct the whole herb to treat diabetes.

③ Guangdong Traditional Chinese Medicine Ⅱ: Treating Osteodynia due to Damp Fire; ④ Manual of Common Chinese Herbal Medicines of Guangzhou Army: Clearing away heat and relieving summer heat.

Treat heatstroke, cold, hypertension, muscle and joint pain.

Usage and dosage for oral administration: decoction,1~ 2; Make cold drinks or soak in wine.

Choose the recipe to treat the poison of willow to the bone: Immortal freeze six taels, steam for several times, add eight sparrows, add wool, soak four kilograms of double cooking wine for twenty days.

Take three or two doses at a time.

(Lingnan Herb Collection Record)

Xiancao, also known as Xiancao, Mesona blume, and Caocaocao in Chaoshan area, is an annual herbaceous perennial plant, which can benefit for many years when planted for one year, with a height of 100 cm. Stems are initially puberulent and setose, slightly old and clean. Leaves opposite, with petioles 2 ~15 mm long; Leaf blade broadly ovoid to narrowly ovoid, sometimes suborbicular, 2 ~ 5.5 cm long or over, both surfaces pilose or only on the lower veins, sometimes subglabrous. Flowers bloom in late autumn. The cymbals are arranged in a terminal raceme with a length of 2 ~ 8 cm; Bracts are round or rhomboid-ovate, with tail-shaped tips, often slightly longer than flowers; Calyx seed-shaped, 2 ~ 2.5 mm long, with 10 longitudinal vein and many transverse venules, densely white pilose, 3-cleft upper lip, especially middle cleft, whole lower lip or slightly concave; Corolla is white or reddish, 3 ~ 3.5 mm long, upper lip is wide and big, with 4 teeth, middle 2 teeth are not obvious, and lower lip is boat-shaped. Stamens 4, filaments prominent. The calyx is altar-shaped, and the vertical and horizontal veins are extremely obvious. Form many small cavities; Nutlets oblong. Often found in sandy land, grass or by mountains and streams. Cut the aboveground parts in spring, summer and autumn and dry them for later use.

Planting techniques of Mesona blume

First, seedling propagation:

Multiplication by ramets. In spring, the temperature is 10- 15 degrees Celsius, and its perennial roots begin to sprout many new seedlings. When the seedling height is more than 3 cm, the tillering seedlings can be divided into plants and transplanted by roots.

Second, the cultivation method:

It can be cultivated in spring, summer and autumn. It is better to choose medium fertility sandy loam with convenient irrigation and drainage, with row spacing of15cm x 23cm, and water after planting.

Third, field management:

After the survival of field planting, topdressing quick-acting fertilizer 1 time every 10 day, intertillage weeding 1 time after 30 days, and row manure with cowshed, which not only increases fertility, but also prevents grass from growing. Mesona blume is not prone to pests and diseases, so it is not necessary to apply pesticides.

Fourth, harvesting and processing:

You can mow the grass 1 time in 40-45 days, and the stubble can grow vigorously after 5 cm, but you must apply quick-acting fertilizer after cutting. The mowed fresh grass should not be piled and retted, but should be dried in time, and 25 kg -30 kg is 1 bundle, which can be sold in the market. If processed into bean jelly, the income is higher.